Year constant 2015 US$ 1995 14440878342.08437 1996 14626102643.071089 1997 15180980025.288666 1998 15786960461.73554 1999 16562767379.273039 2000 17077098722.415617 2001 17835783637.02499 2002 18412695945.25038 2003 19035573153.508587 2004 19681649166.796867 2005 20485517884.36405 2006 21458683845.373035 2007 22627150703.441395 2008 23432772451.37577 2009 22779958366.302723 2010 23303351101.223034 2011 23454372448.330456 2012 23086039687.43944 2013 23076994938.35507 2014 23712748043.708973 2015 24285023697.56444 2016 25056945100.95897 2017 26201690573.425766 2018 27297500979.851547 2019 27850870534.050766 2020 26849368723.32811 2021 28792007076.93319 2022 30047262252.33202 2023 30294313049.635925